TST: If a file doesn't exist, we want an informative error.

Currently raises a "couldn't work out file-type for this file" error.

Author: arokem

nibabel/tests/test_loadsave.py

@@ -53,6 +53,10 @@ def test_read_img_data():
             del img
 
 
+def test_file_not_found():
+    assert_raises(FileNotFoundError, load, 'does_not_exist.nii.gz')
+
+
 def test_read_img_data_nifti():
     shape = (2, 3, 4)
     data = np.random.normal(size=shape)